mount

v.

c.1300, "to mount a horse;" mid-14c., "to rise up, ascend; fly," from Old French monter "to go up, ascend, climb, mount," from Vulgar Latin *montare, from Latin mons (genitive montis) "mountain" (see mount (n.)). Meaning "to set or place in position" first recorded 1530s. Sense of "to get up on for purposes of copulation" is from 1590s. Related: Mounted; mounting.